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[204.195.120.218]) by smtp.gmail.com with ESMTPSA id 30-20020a17090a001e00b0026135208e97sm6842060pja.19.2023.06.26.09.22.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Jun 2023 09:22:24 -0700 (PDT) Date: Mon, 26 Jun 2023 09:22:21 -0700 From: Stephen Hemminger To: Thomas Monjalon Cc: Jerin Jacob , dev@dpdk.org, jerinj@marvell.com, Ori Kam , Liron Himi , Prasun Kapoor Subject: Re: [PATCH] regex/cn9k: remove rule compiler Message-ID: <20230626092221.656fe0d0@hermes.local> In-Reply-To: <3654869.RUnXabflUD@thomas> References: <20230621140637.657038-1-thomas@monjalon.net> <20230625135713.228660d7@hermes.local> <3654869.RUnXabflUD@thomas> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On Mon, 26 Jun 2023 09:16:32 +0200 Thomas Monjalon wrote: > 25/06/2023 22:57, Stephen Hemminger: > > On Wed, 21 Jun 2023 21:03:00 +0530 > > Jerin Jacob wrote: > > =20 > > > On Wed, Jun 21, 2023 at 7:36=E2=80=AFPM Thomas Monjalon wrote: =20 > > > > > > > > Nobody knows how to build the feature. > > > > When the dependency "rxp_compiler" is found, > > > > the header file is not available: > > > > > > > > drivers/regex/cn9k/cn9k_regexdev_compiler.c:12:10: fatal error: > > > > rxp-compiler.h: No such file or directory > > > > > > > > It seems that it depends on a proprietay library. =20 > > >=20 > > > Yes. it depended on proprietary library owned by NVIDIA now. Not sure > > > Marvell has rights to publish it "freely available". > > > In order to avoid forking this library, better option to make this > > > library as public. Also, it looks like the library itself won't have > > > proper installation procedures that is the > > > reason for conflict as documented here in > > > https://bugs.dpdk.org/show_bug.cgi?id=3D1232. =20 > >=20 > > Interesting. Then what about the GPU support which currently requires > > proprietary NVIDIA CUDA library =20 >=20 > CUDA can be downloaded. > It is even packaged in many Linux distributions. Thanks for the clarification. So the real issue is not that it needs a proprietary library but it is that the library is not available without special license. CUDA does require accepting a free license which may be a problem for some people who have lawyers who read the fine print. The policy about dependencies should be made more explicit in the documenta= tion.